package co.mobiless.noterecorder;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Chronometer;
import android.widget.Toast;


public class fingerPaint extends View {
    Paint mPaint;

    private static final float MINP = 0.25f;
    private static final float MAXP = 0.75f;
    private Boolean swNewBitmap;
    
    
    private static Bitmap  mBitmap;
    private Canvas  mCanvas;
    private Path    mPath;
    private Paint   mBitmapPaint;
    private int tx,ty;
    private Context _context;
    private Chronometer chrono;
    private Nota note;
    private StorageData sd= new StorageData(_context);

    public fingerPaint(Context c,Chronometer ch) {
        super(c);
        _context=c;
        //tx = 320;
        //ty = 480;
        mPaint = new Paint();
        mPaint.setAntiAlias(true);
        mPaint.setDither(true);
        mPaint.setColor(0xFFFF0000);
        mPaint.setStyle(Paint.Style.STROKE);
        mPaint.setStrokeJoin(Paint.Join.ROUND);
        mPaint.setStrokeCap(Paint.Cap.ROUND);
        mPaint.setStrokeWidth(3);
        //mBitmap = Bitmap.createBitmap(tx, ty, Bitmap.Config.ARGB_8888);
        //mCanvas = new Canvas(mBitmap);
        //mCanvas = new Canvas();
        mPath = new Path();
        mBitmapPaint = new Paint(Paint.DITHER_FLAG);
        swNewBitmap=true;
    }

    public fingerPaint(Context c , AttributeSet attrs){
        super(c , attrs);
        _context=c;
        //tx = 320;
        //ty = 480;
         mPaint = new Paint();
         mPaint.setAntiAlias(true);
         mPaint.setDither(true);
         mPaint.setColor(0xFFFF0000);
         mPaint.setStyle(Paint.Style.STROKE);
         mPaint.setStrokeJoin(Paint.Join.ROUND);
         mPaint.setStrokeCap(Paint.Cap.ROUND);
         mPaint.setStrokeWidth(3);
         //mBitmap = Bitmap.createBitmap(tx, ty, Bitmap.Config.ARGB_8888);
         //mCanvas = new Canvas(mBitmap);
         //mCanvas = new Canvas();
         mPath = new Path();
         mBitmapPaint = new Paint(Paint.DITHER_FLAG);
         swNewBitmap=true;
    }
   public void setCanvas(int tx, int ty, Chronometer ch, Nota nt){
	   mBitmap = Bitmap.createBitmap(tx, ty, Bitmap.Config.ARGB_8888);
       mCanvas = new Canvas(mBitmap);
       chrono=ch;
       note = nt;
   }
   public void setBitmap(Bitmap bmp){
       mCanvas.drawBitmap(bmp, 0,0, mBitmapPaint);
       invalidate();
   }
   public void clearCanvas(){
	   mPath.reset();
	   //mPaint.setColor(0xFF000000);
	   mCanvas.drawColor(0xFF000000);
	   //mCanvas.drawPaint(mPaint);
	   invalidate();
	   swNewBitmap=true;
   }
    public void onerase(){
        mCanvas=null;
    }

    @Override
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
        super.onSizeChanged(w, h, oldw, oldh);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        canvas.drawColor(0xFF000000);
        canvas.drawBitmap(mBitmap, 0, 0, mBitmapPaint);
        canvas.drawPath(mPath, mPaint);
    }

    private float mX, mY;
    private static final float TOUCH_TOLERANCE = 4;

    private void touch_start(float x, float y) {
        mPath.reset();
        mPath.moveTo(x, y);
        mX = x;
        mY = y;
    }
    private void touch_move(float x, float y) {
        float dx = Math.abs(x - mX);
        float dy = Math.abs(y - mY);
        if (dx >= TOUCH_TOLERANCE || dy >= TOUCH_TOLERANCE) {
            mPath.quadTo(mX, mY, (x + mX)/2, (y + mY)/2);
            mX = x;
            mY = y;
        }
    }
    private void touch_up() {
        mPath.lineTo(mX, mY);
        // commit the path to our offscreen
        mCanvas.drawPath(mPath, mPaint);
        // kill this so we don't double draw
        mPath.reset();
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        float x = event.getX();
        float y = event.getY();
        if(swNewBitmap){
        	if(sd.getFreeSpaceSD(_context)>=30){
	        	Toast.makeText(_context, chrono.getText().toString(), Toast.LENGTH_LONG).show();
	        	//TODO: validar si el objeto nota existe
	        	note.clear();
	        	note.setTiempoInicio(chrono.getText().toString());
	        	swNewBitmap=false;
        	}
        	else{
        		//TODO: crear metodo
        		AlertDialog.Builder builder = new AlertDialog.Builder(_context);
    			builder.setMessage("No hay espacio suficiente")
    			.setCancelable(false)
    			.setNegativeButton("OK", new DialogInterface.OnClickListener() {           
    				public void onClick(DialogInterface dialog, int id) {                
    					dialog.cancel();           }       
    				});
    			AlertDialog alert = builder.create();
    			alert.show();
        	}
        }
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                touch_start(x, y);
                invalidate();
                break;
            case MotionEvent.ACTION_MOVE:
                touch_move(x, y);
                invalidate();
                break;
            case MotionEvent.ACTION_UP:
                touch_up();
                invalidate();
                break;
        }
        return true;
    }

} 
